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20-Second Countdown (COUNT (カウント) DOWN (ダウン) 2 0 Kaunto Daun 20) is the seventy-fifth chapter of the Dr. Stone manga

Summary

The 20-second battle begins. The gun atop the tank fires its bluff bullet, exploding dramatically above the Cave of Miracles. Within the tank, they realize that the area is likely booby-trapped, but Senku commands them to rush straight ahead despite the danger. It immediately activates several pitfall traps.

Close behind, the fighters rush up to deal with the surprised enemies. Senku told them not to kill anyone, which makes combat extremely difficult. Taiju draws fire towards himself, but is unaffected thanks to his carbon fiber shield (and his tough skin). He yells at the others that hurting people is wrong.

Kohaku takes down several enemies, with Kokuyo close behind to capture them properly. The steam gorilla then runs out of steam, stuck in a pitfall trap. Magma saunters over, Senku entrusting the shock cannon to him. Magma pulls it out of the tank in a dramatic display, using Chrome's help to set up the sound bombs. The bomb explodes, sending a sonic wave forward and causing everyone in front of them to faint.

On the sidelines, Minami attempts to escape to inform Tsukasa of what's happening, but she gets captured. A lucky attack breaks their final sound bomb, so instead Taiju stands in front of the shock cannon and yells at full volume, blasting everyone behind him backward. With that final attack, the Cave of Miracles is secured.

Characters in Order of Appearance

Chapter Notes

  • The Kingdom of Science assault the Cave of Miracles in 20 seconds:
    • 0:20 - the attack begins.
    • 0:18 - the bluff bullet explodes.
    • 0:17 - the tank rushes forward over the traps.
    • 0:14 - the fighters on the ground begin attacking.
    • 0:13 - Taiju is attacked but holds firm.
    • 0:12 - Kohaku attacks, with her father cleaning up the ones she missed.
    • 0:11 - the tank gets stuck in a trap.
    • 0:10 - Magma picks up the shock cannon.
    • 0:09 - The sonic attack lands.
    • 0:08 - Minami tries to escape to tell Tsukasa.
    • 0:07 - Minami is captured.
    • 0:06 - the last sound bomb is ruined before it can be used.
    • 0:05 - Taiju sets up to use the shock cannon.
    • 0:04 - Taiju yells into the shock cannon.
    • 0:02 - Taiju stops yelling.
    • 0:01 - the Cave of Miracles is secured.

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Story Arcs
Prologue Saga
Stone Formula Arc
Chapters 1234
Episodes 12
Vs. Tsukasa Arc
Chapters 56789101112
Episodes 345
Ishigami Village Saga
Kingdom of Science Arc
Chapters 131415161718192021222324252627282930313233
Episodes 5678910111213
Village Games Arc
Chapters 34353637383940
Episodes 131415
Village Origins Arc
Chapters 4142434445
Episodes 1617
Stone Wars Saga
Vs. Hyoga Arc
Chapters 4647484950
Episodes 1819
Communications Arc
Chapters 5152535455565758596061626364656667686970717273747576777879808182
Episodes 20212223242526272829303132333435
Source of the Petrification Saga
Age of Exploration Arc
Chapters 8384858687888990919293949596979899 100
Episodes 35
Treasure Island Arc
Chapters 101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138
Episodes
The Truth of the Petrification Saga
New America City Arc
Chapters 139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169
Episodes
South America Arc
Chapters 170171172173174175176177178179180181182183184185186187188189190191192193
Episodes
New Stone World Arc
Chapters 194195196197198199200
Episodes
Globetrotting Arc
Chapters 201202203204205206207208209210211212
Episodes
Stone to Space Saga
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